/*!
* jQuery UI 1.8.7
*
* Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* http://docs.jquery.com/UI
*/
(function($, undefined) {

    // prevent duplicate loading
    // this is only a problem because we proxy existing functions
    // and we don't want to double proxy them
    $.ui = $.ui || {};
    if ($.ui.version) {
        return;
    }

    $.extend($.ui, {
        version: "1.8.7",

        keyCode: {
            ALT: 18,
            BACKSPACE: 8,
            CAPS_LOCK: 20,
            COMMA: 188,
            COMMAND: 91,
            COMMAND_LEFT: 91, // COMMAND
            COMMAND_RIGHT: 93,
            CONTROL: 17,
            DELETE: 46,
            DOWN: 40,
            END: 35,
            ENTER: 13,
            ESCAPE: 27,
            HOME: 36,
            INSERT: 45,
            LEFT: 37,
            MENU: 93, // COMMAND_RIGHT
            NUMPAD_ADD: 107,
            NUMPAD_DECIMAL: 110,
            NUMPAD_DIVIDE: 111,
            NUMPAD_ENTER: 108,
            NUMPAD_MULTIPLY: 106,
            NUMPAD_SUBTRACT: 109,
            PAGE_DOWN: 34,
            PAGE_UP: 33,
            PERIOD: 190,
            RIGHT: 39,
            SHIFT: 16,
            SPACE: 32,
            TAB: 9,
            UP: 38,
            WINDOWS: 91 // COMMAND
        }
    });

    // plugins
    $.fn.extend({
        _focus: $.fn.focus,
        focus: function(delay, fn) {
            return typeof delay === "number" ?
			this.each(function() {
			    var elem = this;
			    setTimeout(function() {
			        $(elem).focus();
			        if (fn) {
			            fn.call(elem);
			        }
			    }, delay);
			}) :
			this._focus.apply(this, arguments);
        },

        scrollParent: function() {
            var scrollParent;
            if (($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {
                scrollParent = this.parents().filter(function() {
                    return (/(relative|absolute|fixed)/).test($.curCSS(this, 'position', 1)) && (/(auto|scroll)/).test($.curCSS(this, 'overflow', 1) + $.curCSS(this, 'overflow-y', 1) + $.curCSS(this, 'overflow-x', 1));
                }).eq(0);
            } else {
                scrollParent = this.parents().filter(function() {
                    return (/(auto|scroll)/).test($.curCSS(this, 'overflow', 1) + $.curCSS(this, 'overflow-y', 1) + $.curCSS(this, 'overflow-x', 1));
                }).eq(0);
            }

            return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;
        },

        zIndex: function(zIndex) {
            if (zIndex !== undefined) {
                return this.css("zIndex", zIndex);
            }

            if (this.length) {
                var elem = $(this[0]), position, value;
                while (elem.length && elem[0] !== document) {
                    // Ignore z-index if position is set to a value where z-index is ignored by the browser
                    // This makes behavior of this function consistent across browsers
                    // WebKit always returns auto if the element is positioned
                    position = elem.css("position");
                    if (position === "absolute" || position === "relative" || position === "fixed") {
                        // IE returns 0 when zIndex is not specified
                        // other browsers return a string
                        // we ignore the case of nested elements with an explicit value of 0
                        // <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
                        value = parseInt(elem.css("zIndex"), 10);
                        if (!isNaN(value) && value !== 0) {
                            return value;
                        }
                    }
                    elem = elem.parent();
                }
            }

            return 0;
        },

        disableSelection: function() {
            return this.bind(($.support.selectstart ? "selectstart" : "mousedown") +
			".datetime-ui-disableSelection", function(event) {
			    event.preventDefault();
			});
        },

        enableSelection: function() {
            return this.unbind(".datetime-ui-disableSelection");
        }
    });

    $.each(["Width", "Height"], function(i, name) {
        var side = name === "Width" ? ["Left", "Right"] : ["Top", "Bottom"],
		type = name.toLowerCase(),
		orig = {
		    innerWidth: $.fn.innerWidth,
		    innerHeight: $.fn.innerHeight,
		    outerWidth: $.fn.outerWidth,
		    outerHeight: $.fn.outerHeight
		};

        function reduce(elem, size, border, margin) {
            $.each(side, function() {
                size -= parseFloat($.curCSS(elem, "padding" + this, true)) || 0;
                if (border) {
                    size -= parseFloat($.curCSS(elem, "border" + this + "Width", true)) || 0;
                }
                if (margin) {
                    size -= parseFloat($.curCSS(elem, "margin" + this, true)) || 0;
                }
            });
            return size;
        }

        $.fn["inner" + name] = function(size) {
            if (size === undefined) {
                return orig["inner" + name].call(this);
            }

            return this.each(function() {
                $(this).css(type, reduce(this, size) + "px");
            });
        };

        $.fn["outer" + name] = function(size, margin) {
            if (typeof size !== "number") {
                return orig["outer" + name].call(this, size);
            }

            return this.each(function() {
                $(this).css(type, reduce(this, size, true, margin) + "px");
            });
        };
    });

    // selectors
    function visible(element) {
        return !$(element).parents().andSelf().filter(function() {
            return $.curCSS(this, "visibility") === "hidden" ||
			$.expr.filters.hidden(this);
        }).length;
    }

    $.extend($.expr[":"], {
        data: function(elem, i, match) {
            return !!$.data(elem, match[3]);
        },

        focusable: function(element) {
            var nodeName = element.nodeName.toLowerCase(),
			tabIndex = $.attr(element, "tabindex");
            if ("area" === nodeName) {
                var map = element.parentNode,
				mapName = map.name,
				img;
                if (!element.href || !mapName || map.nodeName.toLowerCase() !== "map") {
                    return false;
                }
                img = $("img[usemap=#" + mapName + "]")[0];
                return !!img && visible(img);
            }
            return (/input|select|textarea|button|object/.test(nodeName)
			? !element.disabled
			: "a" == nodeName
				? element.href || !isNaN(tabIndex)
				: !isNaN(tabIndex))
            // the element and all of its ancestors must be visible
			&& visible(element);
        },

        tabbable: function(element) {
            var tabIndex = $.attr(element, "tabindex");
            return (isNaN(tabIndex) || tabIndex >= 0) && $(element).is(":focusable");
        }
    });

    // support
    $(function() {
        var body = document.body,
		div = body.appendChild(div = document.createElement("div"));

        $.extend(div.style, {
            minHeight: "100px",
            height: "auto",
            padding: 0,
            borderWidth: 0
        });

        $.support.minHeight = div.offsetHeight === 100;
        $.support.selectstart = "onselectstart" in div;

        // set display to none to avoid a layout bug in IE
        // http://dev.jquery.com/ticket/4014
        body.removeChild(div).style.display = "none";
    });





    // deprecated
    $.extend($.ui, {
        // $.ui.plugin is deprecated.  Use the proxy pattern instead.
        plugin: {
            add: function(module, option, set) {
                var proto = $.ui[module].prototype;
                for (var i in set) {
                    proto.plugins[i] = proto.plugins[i] || [];
                    proto.plugins[i].push([option, set[i]]);
                }
            },
            call: function(instance, name, args) {
                var set = instance.plugins[name];
                if (!set || !instance.element[0].parentNode) {
                    return;
                }

                for (var i = 0; i < set.length; i++) {
                    if (instance.options[set[i][0]]) {
                        set[i][1].apply(instance.element, args);
                    }
                }
            }
        },

        // will be deprecated when we switch to jQuery 1.4 - use jQuery.contains()
        contains: function(a, b) {
            return document.compareDocumentPosition ?
			a.compareDocumentPosition(b) & 16 :
			a !== b && a.contains(b);
        },

        // only used by resizable
        hasScroll: function(el, a) {

            //If overflow is hidden, the element might have extra content, but the user wants to hide it
            if ($(el).css("overflow") === "hidden") {
                return false;
            }

            var scroll = (a && a === "left") ? "scrollLeft" : "scrollTop",
			has = false;

            if (el[scroll] > 0) {
                return true;
            }

            // TODO: determine which cases actually cause this to happen
            // if the element doesn't have the scroll set, see if it's possible to
            // set the scroll
            el[scroll] = 1;
            has = (el[scroll] > 0);
            el[scroll] = 0;
            return has;
        },

        // these are odd functions, fix the API or move into individual plugins
        isOverAxis: function(x, reference, size) {
            //Determines when x coordinate is over "b" element axis
            return (x > reference) && (x < (reference + size));
        },
        isOver: function(y, x, top, left, height, width) {
            //Determines when x, y coordinates is over "b" element
            return $.ui.isOverAxis(y, top, height) && $.ui.isOverAxis(x, left, width);
        }
    });

})(jQuery);
/*
* jQuery UI Datepicker 1.8.7
*
* Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* http://docs.jquery.com/UI/Datepicker
*
* Depends:
*	jquery.ui.core.js
*/
(function($, undefined) {

    $.extend($.ui, { datepicker: { version: "1.8.7"} });

    var PROP_NAME = 'datepicker';
    var dpuuid = new Date().getTime();

    /* Date picker manager.
    Use the singleton instance of this class, $.datepicker, to interact with the date picker.
    Settings for (groups of) date pickers are maintained in an instance object,
    allowing multiple different settings on the same page. */

    function Datepicker() {
        this.debug = false; // Change this to true to start debugging
        this._curInst = null; // The current instance in use
        this._keyEvent = false; // If the last event was a key event
        this._disabledInputs = []; // List of date picker inputs that have been disabled
        this._datepickerShowing = false; // True if the popup picker is showing , false if not
        this._inDialog = false; // True if showing within a "dialog", false if not
        this._mainDivId = 'ui-datepicker-div'; // The ID of the main datepicker division
        this._inlineClass = 'datetime-ui-datepicker-inline'; // The name of the inline marker class
        this._appendClass = 'datetime-ui-datepicker-append'; // The name of the append marker class
        this._triggerClass = 'datetime-ui-datepicker-trigger'; // The name of the trigger marker class
        this._dialogClass = 'datetime-ui-datepicker-dialog'; // The name of the dialog marker class
        this._disableClass = 'datetime-ui-datepicker-disabled'; // The name of the disabled covering marker class
        this._unselectableClass = 'datetime-ui-datepicker-unselectable'; // The name of the unselectable cell marker class
        this._currentClass = 'datetime-ui-datepicker-current-day'; // The name of the current day marker class
        this._dayOverClass = 'datetime-ui-datepicker-days-cell-over'; // The name of the day hover marker class
        this.regional = []; // Available regional settings, indexed by language code
        this.regional[''] = { // Default regional settings
            closeText: 'Done', // Display text for close link
            prevText: 'Prev', // Display text for previous month link
            nextText: 'Next', // Display text for next month link
            currentText: 'Today', // Display text for current month link
            monthNames: ['January', 'February', 'March', 'April', 'May', 'June',
			'July', 'August', 'September', 'October', 'November', 'December'], // Names of months for drop-down and formatting
            monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'], // For formatting
            dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], // For formatting
            dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // For formatting
            dayNamesMin: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'], // Column headings for days starting at Sunday
            weekHeader: 'Wk', // Column header for week of the year
            dateFormat: 'mm/dd/yy', // See format options on parseDate
            firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
            isRTL: false, // True if right-to-left language, false if left-to-right
            showMonthAfterYear: false, // True if the year select precedes month, false for month then year
            yearSuffix: '', // Additional text to append to the year in the month headers
            AMDesignator: 'AM', // AM designator for 12 hour mode
            PMDesignator: 'PM',  // PM designator for 12 hour mode
            NAText: 'N/A' // Not avaible text
        };
        this._defaults = { // Global defaults for all the date picker instances
            showOn: 'focus', // 'focus' for popup on focus,
            // 'button' for trigger button, or 'both' for either
            showAnim: 'fadeIn', // Name of jQuery animation for popup
            showOptions: {}, // Options for enhanced animations
            defaultDate: null, // Used when field is blank: actual date,
            // +/-number for offset from today, null for today
            appendText: '', // Display text following the input box, e.g. showing the format
            buttonText: '...', // Text for trigger button
            buttonImage: '', // URL for trigger button image
            buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
            hideIfNoPrevNext: false, // True to hide next/previous month links
            // if not applicable, false to just disable them
            navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
            gotoCurrent: false, // True if today link goes back to current selection instead
            changeMonth: false, // True if month can be selected directly, false if only prev/next
            changeYear: false, // True if year can be selected directly, false if only prev/next
            yearRange: 'c-10:c+10', // Range of years to display in drop-down,
            // either relative to today's year (-nn:+nn), relative to currently displayed year
            // (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
            showOtherMonths: false, // True to show dates in other months, false to leave blank
            selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
            showWeek: false, // True to show week of the year, false to not show it
            calculateWeek: this.iso8601Week, // How to calculate the week of the year,
            // takes a Date and returns the number of the week for it
            shortYearCutoff: '+10', // Short year values < this are in the current century,
            // > this are in the previous century,
            // string value starting with '+' for current year + value
            minDate: null, // The earliest selectable date, or null for no limit
            maxDate: null, // The latest selectable date, or null for no limit
            duration: 'fast', // Duration of display/closure
            beforeShowDay: null, // Function that takes a date and returns an array with
            // [0] = true if selectable, false if not, [1] = custom CSS class name(s) or '',
            // [2] = cell title (optional), e.g. $.datepicker.noWeekends
            beforeShow: null, // Function that takes an input field and
            // returns a set of custom settings for the date picker
            onSelect: null, // Define a callback function when a date is selected
            onChangeMonthYear: null, // Define a callback function when the month or year is changed
            onClose: null, // Define a callback function when the datepicker is closed
            numberOfMonths: 1, // Number of months to show at a time
            showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
            stepMonths: 1, // Number of months to step back/forward
            stepBigMonths: 12, // Number of months to step back/forward for the big links
            altField: '', // Selector for an alternate field to store selected dates into
            altFormat: '', // The date format to use for the alternate field
            constrainInput: true, // The input is constrained by the current date format
            showButtonPanel: false, // True to show button panel, false to not show it
            autoSize: false, // True to size the input for the date format, false to leave as is
            numberOfRows: 0, // Direct set of rows count		
            showTimePanel: false, // Indicates whether show time panel buttons
            use24HourMode: true, // If true time picker uses 24 - hour mode
            actionPanelButtons: ['ok', 'now'], // Buttons to show
            hideOnDateSelection: true, // If click hides the calendar
            displaySeconds: true,   // If show second textbox
            selectByIcon: true, // If true calendar is shown by icon click
            disableDaySelect: false, // If true day selection is disabled
            disableMontSelect: false, // If true month selection is disabled
            defaultTimeValue: 0, // 0..now,1.. start of day, 2 .. end of day
            timeZoneOffset: 0, //Offset of time zone
            highlightCurrentDay: false // If true current day is highlighted
        };
        $.extend(this._defaults, this.regional['']);
        this.dpDiv = $('<div id="' + this._mainDivId + '" class="datetime-ui-datepicker datetime-ui-widget datetime-ui-widget-content datetime-ui-helper-clearfix datetime-ui-corner-all" style="display:none" ></div>');
    }

    $.extend(Datepicker.prototype, {
        /* Class name added to elements to indicate already configured with a date picker. */
        markerClassName: 'hasDatepicker',

        /* Debug logging (if enabled). */
        log: function() {
            if (this.debug)
                console.log.apply('', arguments);
        },

        // TODO rename to "widget" when switching to widget factory
        _widgetDatepicker: function() {
            return this.dpDiv;
        },

        /* Override the default settings for all instances of the date picker.
        @param  settings  object - the new settings to use as defaults (anonymous object)
        @return the manager object */
        setDefaults: function(settings) {
            extendRemove(this._defaults, settings || {});
            return this;
        },

        /* Attach the date picker to a jQuery selection.
        @param  target    element - the target input field or division or span
        @param  settings  object - the new settings to use for this date picker instance (anonymous) */
        _attachDatepicker: function(target, settings) {
            // check for settings on the control itself - in namespace 'date:'
            var inlineSettings = null;
            for (var attrName in this._defaults) {
                var attrValue = target.getAttribute('date:' + attrName);
                if (attrValue) {
                    inlineSettings = inlineSettings || {};
                    try {
                        inlineSettings[attrName] = eval(attrValue);
                    } catch (err) {
                        inlineSettings[attrName] = attrValue;
                    }
                }
            }
            var nodeName = target.nodeName.toLowerCase();
            var inline = (nodeName == 'div' || nodeName == 'span');
            if (!target.id) {
                this.uuid += 1;
                target.id = 'dp' + this.uuid;
            }
            var inst = this._newInst($(target), inline);
            inst.settings = $.extend({}, settings || {}, inlineSettings || {});
            if (nodeName == 'input') {
                this._connectDatepicker(target, inst);
            } else if (inline) {
                this._inlineDatepicker(target, inst);
            }
        },

        /* Create a new instance object. */
        _newInst: function(target, inline) {
            var id = target[0].id.replace(/([^A-Za-z0-9_-])/g, '\\\\$1'); // escape jQuery meta chars
            return { id: id, input: target, // associated target
                selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
                drawMonth: 0, drawYear: 0, // month being drawn
                inline: inline, // is datepicker inline or not
                dpDiv: (!inline ? this.dpDiv : // presentation div
			$('<div class="' + this._inlineClass + ' datetime-ui-datepicker datetime-ui-widget datetime-ui-widget-content datetime-ui-helper-clearfix datetime-ui-corner-all"></div>'))
            };
        },

        /* Attach the date picker to an input field. */
        _connectDatepicker: function(target, inst) {
            var input = $(target);
            inst.append = $([]);
            inst.trigger = $([]);
            if (input.hasClass(this.markerClassName))
                return;
            this._attachments(input, inst);
            input.addClass(this.markerClassName).keydown(this._doKeyDown).
			keypress(this._doKeyPress).keyup(this._doKeyUp).
			bind("setData.datepicker", function(event, key, value) {
			    inst.settings[key] = value;
			}).bind("getData.datepicker", function(event, key) {
			    return this._get(inst, key);
			});

            this._autoSize(inst);
            $.data(target, PROP_NAME, inst);
        },

        /* Make attachments based on settings. */
        _attachments: function(input, inst) {
            var appendText = this._get(inst, 'appendText');
            var isRTL = this._get(inst, 'isRTL');
            if (inst.append)
                inst.append.remove();
            if (appendText) {
                inst.append = $('<span class="' + this._appendClass + '">' + appendText + '</span>');
                input[isRTL ? 'before' : 'after'](inst.append);
            }
            input.unbind('focus', this._showDatepicker);
            if (inst.trigger)
                inst.trigger.remove();
            var showOn = this._get(inst, 'showOn');
            if (showOn == 'focus' || showOn == 'both') // pop-up date picker when in the marked field
                input.focus(this._showDatepicker);
            if (showOn == 'button' || showOn == 'both') { // pop-up date picker when button clicked
                var image = this._get(inst, 'IconID');
                var image_obj = $("#" + image);

                if (!input.is(':disabled')) {
                    image_obj.bind('click', function() {
                        $.datepicker._showDatepicker(input[0]); return false;
                    });
                }
            }
        },

        /* Apply the maximum length for the date format. */
        _autoSize: function(inst) {
            if (this._get(inst, 'autoSize') && !inst.inline) {
                var date = new Date(2009, 12 - 1, 20); // Ensure double digits
                var dateFormat = this._get(inst, 'dateFormat');
                if (dateFormat.match(/[DM]/)) {
                    var findMax = function(names) {
                        var max = 0;
                        var maxI = 0;
                        for (var i = 0; i < names.length; i++) {
                            if (names[i].length > max) {
                                max = names[i].length;
                                maxI = i;
                            }
                        }
                        return maxI;
                    };
                    date.setMonth(findMax(this._get(inst, (dateFormat.match(/MM/) ?
					'monthNames' : 'monthNamesShort'))));
                    date.setDate(findMax(this._get(inst, (dateFormat.match(/DD/) ?
					'dayNames' : 'dayNamesShort'))) + 20 - date.getDay());
                }
                inst.input.attr('size', this._formatDate(inst, date).length);
            }
        },

        /* Attach an inline date picker to a div. */
        _inlineDatepicker: function(target, inst) {
            var divSpan = $(target);
            if (divSpan.hasClass(this.markerClassName))
                return;
            divSpan.addClass(this.markerClassName).append(inst.dpDiv).
			bind("setData.datepicker", function(event, key, value) {
			    inst.settings[key] = value;
			}).bind("getData.datepicker", function(event, key) {
			    return this._get(inst, key);
			});
            $.data(target, PROP_NAME, inst);
            this._setDate(inst, this._getDefaultDate(inst), true);
            this._updateDatepicker(inst);
            this._updateAlternate(inst);
            inst.dpDiv.show();
        },

        /* Pop-up the date picker in a "dialog" box.
        @param  input     element - ignored
        @param  date      string or Date - the initial date to display
        @param  onSelect  function - the function to call when a date is selected
        @param  settings  object - update the dialog date picker instance's settings (anonymous object)
        @param  pos       int[2] - coordinates for the dialog's position within the screen or
        event - with x/y coordinates or
        leave empty for default (screen centre)
        @return the manager object */
        _dialogDatepicker: function(input, date, onSelect, settings, pos) {
            var inst = this._dialogInst; // internal instance
            if (!inst) {
                this.uuid += 1;
                var id = 'dp' + this.uuid;
                this._dialogInput = $('<input type="text" id="' + id +
				'" style="position: absolute; top: -100px; width: 0px; z-index: -10;"/>');
                this._dialogInput.keydown(this._doKeyDown);
                $('body').append(this._dialogInput);
                inst = this._dialogInst = this._newInst(this._dialogInput, false);
                inst.settings = {};
                $.data(this._dialogInput[0], PROP_NAME, inst);
            }
            extendRemove(inst.settings, settings || {});
            date = (date && date.constructor == Date ? this._formatDate(inst, date) : date);
            this._dialogInput.val(date);

            this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
            if (!this._pos) {
                var browserWidth = document.documentElement.clientWidth;
                var browserHeight = document.documentElement.clientHeight;
                var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
                var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
                this._pos = // should use actual width/height below
				[(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
            }

            // move input on screen for focus, but hidden behind dialog
            this._dialogInput.css('left', (this._pos[0] + 20) + 'px').css('top', this._pos[1] + 'px');
            inst.settings.onSelect = onSelect;
            this._inDialog = true;
            this.dpDiv.addClass(this._dialogClass);
            this._showDatepicker(this._dialogInput[0]);
            if ($.blockUI)
                $.blockUI(this.dpDiv);
            $.data(this._dialogInput[0], PROP_NAME, inst);
            return this;
        },

        /* Detach a datepicker from its control.
        @param  target    element - the target input field or division or span */
        _destroyDatepicker: function(target) {
            var $target = $(target);
            var inst = $.data(target, PROP_NAME);
            if (!$target.hasClass(this.markerClassName)) {
                return;
            }
            var nodeName = target.nodeName.toLowerCase();
            $.removeData(target, PROP_NAME);
            if (nodeName == 'input') {
                inst.append.remove();
                inst.trigger.remove();
                $target.removeClass(this.markerClassName).
				unbind('focus', this._showDatepicker).
				unbind('keydown', this._doKeyDown).
				unbind('keypress', this._doKeyPress).
				unbind('keyup', this._doKeyUp);
            } else if (nodeName == 'div' || nodeName == 'span')
                $target.removeClass(this.markerClassName).empty();
        },

        /* Enable the date picker to a jQuery selection.
        @param  target    element - the target input field or division or span */
        _enableDatepicker: function(target) {
            var $target = $(target);
            var inst = $.data(target, PROP_NAME);
            if (!$target.hasClass(this.markerClassName)) {
                return;
            }
            var nodeName = target.nodeName.toLowerCase();
            if (nodeName == 'input') {
                target.disabled = false;
                inst.trigger.filter('button').
				each(function() { this.disabled = false; }).end().
				filter('img').css({ opacity: '1.0', cursor: '' });
            }
            else if (nodeName == 'div' || nodeName == 'span') {
                var inline = $target.children('.' + this._inlineClass);
                inline.children().removeClass('datetime-ui-state-disabled');
            }
            this._disabledInputs = $.map(this._disabledInputs,
			function(value) { return (value == target ? null : value); }); // delete entry
        },

        /* Disable the date picker to a jQuery selection.
        @param  target    element - the target input field or division or span */
        _disableDatepicker: function(target) {
            var $target = $(target);
            var inst = $.data(target, PROP_NAME);
            if (!$target.hasClass(this.markerClassName)) {
                return;
            }
            var nodeName = target.nodeName.toLowerCase();
            if (nodeName == 'input') {
                target.disabled = true;
                inst.trigger.filter('button').
				each(function() { this.disabled = true; }).end().
				filter('img').css({ opacity: '0.5', cursor: 'default' });
            }
            else if (nodeName == 'div' || nodeName == 'span') {
                var inline = $target.children('.' + this._inlineClass);
                inline.children().addClass('datetime-ui-state-disabled');
            }
            this._disabledInputs = $.map(this._disabledInputs,
			function(value) { return (value == target ? null : value); }); // delete entry
            this._disabledInputs[this._disabledInputs.length] = target;
        },

        /* Is the first field in a jQuery collection disabled as a datepicker?
        @param  target    element - the target input field or division or span
        @return boolean - true if disabled, false if enabled */
        _isDisabledDatepicker: function(target) {
            if (!target) {
                return false;
            }
            for (var i = 0; i < this._disabledInputs.length; i++) {
                if (this._disabledInputs[i] == target)
                    return true;
            }
            return false;
        },

        /* Retrieve the instance data for the target control.
        @param  target  element - the target input field or division or span
        @return  object - the associated instance data
        @throws  error if a jQuery problem getting data */
        _getInst: function(target) {
            try {
                return $.data(target, PROP_NAME);
            }
            catch (err) {
                throw 'Missing instance data for this datepicker';
            }
        },

        /* Update or retrieve the settings for a date picker attached to an input field or division.
        @param  target  element - the target input field or division or span
        @param  name    object - the new settings to update or
        string - the name of the setting to change or retrieve,
        when retrieving also 'all' for all instance settings or
        'defaults' for all global defaults
        @param  value   any - the new value for the setting
        (omit if above is an object or to retrieve a value) */
        _optionDatepicker: function(target, name, value) {
            var inst = this._getInst(target);
            if (arguments.length == 2 && typeof name == 'string') {
                return (name == 'defaults' ? $.extend({}, $.datepicker._defaults) :
				(inst ? (name == 'all' ? $.extend({}, inst.settings) :
				this._get(inst, name)) : null));
            }
            var settings = name || {};
            if (typeof name == 'string') {
                settings = {};
                settings[name] = value;
            }
            if (inst) {
                if (this._curInst == inst) {
                    this._hideDatepicker();
                }

                var date = this._getDateDatepicker(target, true);
                extendRemove(inst.settings, settings);
                this._attachments($(target), inst);
                this._autoSize(inst);
                this._setDateDatepicker(target, date);
                this._updateDatepicker(inst);
            }
        },

        // change method deprecated
        _changeDatepicker: function(target, name, value) {
            this._optionDatepicker(target, name, value);
        },

        /* Redraw the date picker attached to an input field or division.
        @param  target  element - the target input field or division or span */
        _refreshDatepicker: function(target) {
            var inst = this._getInst(target);
            if (inst) {
                this._updateDatepicker(inst);
            }
        },

        /* Set the dates for a jQuery selection.
        @param  target   element - the target input field or division or span
        @param  date     Date - the new date */
        _setDateDatepicker: function(target, date) {

            var inst = this._getInst(target);
            if (inst) {
                this._setDate(inst, date);
                this._updateDatepicker(inst);
                this._updateAlternate(inst);
            }
        },

        _showDatepicker: function(target) {
            $.datepicker._showDatepicker($(target)[0]);
        },

        _setLocationDatepicker: function(target, id) {
            var position = $j("#" + id).offset();
            $.datepicker._pos = [position.left, position.top + 20];
        },

        /* Set the date for calendar but without change of textbox 
        @param  target   element - the target input field or division or span
        @param  date     Date - the new date */
        _setDateNoTextBoxDatepicker: function(target, date) {
            var inst = this._getInst(target);
            this._setDate(inst, date, false);

        },

        /* Get the date(s) for the first entry in a jQuery selection.
        @param  target     element - the target input field or division or span
        @param  noDefault  boolean - true if no default date is to be used
        @return Date - the current date */
        _getDateDatepicker: function(target, noDefault) {
            var inst = this._getInst(target);
            if (inst && !inst.inline)
                this._setDateFromField(inst, noDefault);
            return (inst ? this._getDate(inst) : null);
        },

        _getFormattedDateDatepicker: function(target) {
            var inst = this._getInst(target);
            return this._getFormattedDate(inst);
        },

        /* Handle keystrokes. */
        _doKeyDown: function(event) {
            var inst = $.datepicker._getInst(event.target);
            var handled = true;
            var isRTL = inst.dpDiv.is('.datetime-ui-datepicker-rtl');
            inst._keyEvent = true;
            if ($.datepicker._datepickerShowing)
                switch (event.keyCode) {
                case 9: $.datepicker._hideDatepicker();
                    handled = false;
                    break; // hide on tab out
                case 13: var sel = $('td.' + $.datepicker._dayOverClass + ':not(.' +
									$.datepicker._currentClass + ')', inst.dpDiv);
                    if (sel[0])
                        $.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
                    else
                        $.datepicker._hideDatepicker();
                    return false; // don't submit the form
                    break; // select the value on enter
                case 27: $.datepicker._hideDatepicker();
                    break; // hide on escape
                case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
							-$.datepicker._get(inst, 'stepBigMonths') :
							-$.datepicker._get(inst, 'stepMonths')), 'M');
                    break; // previous month/year on page up/+ ctrl
                case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
							+$.datepicker._get(inst, 'stepBigMonths') :
							+$.datepicker._get(inst, 'stepMonths')), 'M');
                    break; // next month/year on page down/+ ctrl
                case 35: if (event.ctrlKey || event.metaKey) $.datepicker._clearDate(event.target);
                    handled = event.ctrlKey || event.metaKey;
                    break; // clear on ctrl or command +end
                case 36: if (event.ctrlKey || event.metaKey) $.datepicker._gotoToday(event.target);
                    handled = event.ctrlKey || event.metaKey;
                    break; // current on ctrl or command +home
                case 37: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), 'D');
                    handled = event.ctrlKey || event.metaKey;
                    // -1 day on ctrl or command +left
                    if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
									-$.datepicker._get(inst, 'stepBigMonths') :
									-$.datepicker._get(inst, 'stepMonths')), 'M');
                    // next month/year on alt +left on Mac
                    break;
                case 38: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, -7, 'D');
                    handled = event.ctrlKey || event.metaKey;
                    break; // -1 week on ctrl or command +up
                case 39: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), 'D');
                    handled = event.ctrlKey || event.metaKey;
                    // +1 day on ctrl or command +right
                    if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
									+$.datepicker._get(inst, 'stepBigMonths') :
									+$.datepicker._get(inst, 'stepMonths')), 'M');
                    // next month/year on alt +right
                    break;
                case 40: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, +7, 'D');
                    handled = event.ctrlKey || event.metaKey;
                    break; // +1 week on ctrl or command +down
                default: handled = false;
            }
            else if (event.keyCode == 36 && event.ctrlKey) // display the date picker on ctrl+home
                $.datepicker._showDatepicker(this);
            else {
                handled = false;
            }
            if (handled) {
                event.preventDefault();
                event.stopPropagation();
            }
        },

        /* Filter entered characters - based on date format. */
        _doKeyPress: function(event) {
            var inst = $.datepicker._getInst(event.target);
            if ($.datepicker._get(inst, 'constrainInput')) {
                var chars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat'));
                var chr = String.fromCharCode(event.charCode == undefined ? event.keyCode : event.charCode);
                return event.ctrlKey || event.metaKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1);
            }
        },

        /* Synchronise manual entry and field/alternate field. */
        _doKeyUp: function(event) {
            var inst = $.datepicker._getInst(event.target);
            if (inst.input.val() != inst.lastVal) {
                try {
                    var date = $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
					(inst.input ? inst.input.val() : null),
					$.datepicker._getFormatConfig(inst));
                    if (date) { // only if valid
                        $.datepicker._setDateFromField(inst);
                        $.datepicker._updateAlternate(inst);
                        $.datepicker._updateDatepicker(inst);
                    }
                }
                catch (event) {
                    $.datepicker.log(event);
                }
            }
            return true;
        },

        /* Pop-up the date picker for a given input field.
        @param  input  element - the input field attached to the date picker or
        event - if triggered by focus */
        _showDatepicker: function(input) {
            input = input.target || input;
            if (input.nodeName.toLowerCase() != 'input') // find from button/image trigger
                input = $('input', input.parentNode)[0];
            if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) // already here
                return;
            var inst = $.datepicker._getInst(input);
            if ($.datepicker._curInst && $.datepicker._curInst != inst) {
                $.datepicker._curInst.dpDiv.stop(true, true);
            }
            var beforeShow = $.datepicker._get(inst, 'beforeShow');
            extendRemove(inst.settings, (beforeShow ? beforeShow.apply(input, [input, inst]) : {}));
            inst.lastVal = null;
            $.datepicker._lastInput = input;
            $.datepicker._setDateFromField(inst);
            if ($.datepicker._inDialog) // hide cursor
                input.value = '';
            if (!$.datepicker._pos) { // position below input
                $.datepicker._pos = $.datepicker._findPos(input);
                $.datepicker._pos[1] += input.offsetHeight; // add the height
            }
            var isFixed = false;
            $(input).parents().each(function() {
                isFixed |= $(this).css('position') == 'fixed';
                return !isFixed;
            });
            if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
                $.datepicker._pos[0] -= document.documentElement.scrollLeft;
                $.datepicker._pos[1] -= document.documentElement.scrollTop;
            }
            var offset = { left: $.datepicker._pos[0], top: $.datepicker._pos[1] };
            $.datepicker._pos = null;
            //to avoid flashes on Firefox
            inst.dpDiv.empty();
            // determine sizing offscreen
            inst.dpDiv.css({ position: 'absolute', display: 'block', top: '-1000px' });
            $.datepicker._updateDatepicker(inst);
            // fix width for dynamic number of date pickers
            // and adjust position before showing
            offset = $.datepicker._checkOffset(inst, offset, isFixed);
            inst.dpDiv.css({ position: ($.datepicker._inDialog && $.blockUI ?
			'static' : (isFixed ? 'fixed' : 'absolute')), display: 'none',
                left: offset.left + 'px', top: offset.top + 'px'
            });
            if (!inst.inline) {
                var showAnim = $.datepicker._get(inst, 'showAnim');
                var duration = $.datepicker._get(inst, 'duration');
                var postProcess = function() {
                    $.datepicker._datepickerShowing = true;
                    var cover = inst.dpDiv.find('iframe.datetime-ui-datepicker-cover'); // IE6- only
                    if (!!cover.length) {
                        var borders = $.datepicker._getBorders(inst.dpDiv);
                        cover.css({ left: -borders[0], top: -borders[1],
                            width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()
                        });
                    }
                };
                inst.dpDiv.zIndex($(input).zIndex() + 1);
                if ($.effects && $.effects[showAnim])
                    inst.dpDiv.show(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
                else
                    inst.dpDiv[showAnim || 'show']((showAnim ? duration : null), postProcess);
                if (!showAnim || !duration)
                    postProcess();
                if (inst.input.is(':visible') && !inst.input.is(':disabled'))
                    inst.input.focus();
                $.datepicker._curInst = inst;
            }
        },

        /* Generate the date picker content. */
        _updateDatepicker: function(inst) {
            var self = this;
            var borders = $.datepicker._getBorders(inst.dpDiv);
            inst.dpDiv.empty().append(this._generateHTML(inst));
            var cover = inst.dpDiv.find('iframe.datetime-ui-datepicker-cover'); // IE6- only
            if (!!cover.length) { //avoid call to outerXXXX() when not in IE6
                cover.css({ left: -borders[0], top: -borders[1], width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight() })
            }
            inst.dpDiv.find('button, .datetime-ui-datepicker-prev, .datetime-ui-datepicker-next, .datetime-ui-datepicker-calendar td a')
				.bind('mouseout', function() {
                $(this).removeClass('datetime-ui-state-hover');
                    if (this.className.indexOf('datetime-ui-datepicker-prev') != -1) $(this).removeClass('datetime-ui-datepicker-prev-hover');
                    if (this.className.indexOf('datetime-ui-datepicker-next') != -1) $(this).removeClass('datetime-ui-datepicker-next-hover');
				})
				.bind('mouseover', function() {
				    if (!self._isDisabledDatepicker(inst.inline ? inst.dpDiv.parent()[0] : inst.input[0])) {
				        $(this).parents('.datetime-ui-datepicker-calendar').find('a').removeClass('datetime-ui-state-hover');
				        $(this).addClass('datetime-ui-state-hover');
				        if (this.className.indexOf('datetime-ui-datepicker-prev') != -1) $(this).addClass('datetime-ui-datepicker-prev-hover');
				        if (this.className.indexOf('datetime-ui-datepicker-next') != -1) $(this).addClass('datetime-ui-datepicker-next-hover');
				    }
				})
			.end()
			.find('.' + this._dayOverClass + ' a')
				.trigger('mouseover')
			.end();
            var numMonths = this._getNumberOfMonths(inst);
            var cols = numMonths[1];
            var width = 17;
            if (cols > 1)
                inst.dpDiv.addClass('datetime-ui-datepicker-multi-' + cols).css('width', (width * cols) + 'em');
            else
                inst.dpDiv.removeClass('datetime-ui-datepicker-multi-2 datetime-ui-datepicker-multi-3 datetime-ui-datepicker-multi-4').width('');
            inst.dpDiv[(numMonths[0] != 1 || numMonths[1] != 1 ? 'add' : 'remove') +
			'Class']('datetime-ui-datepicker-multi');
            inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') +
			'Class']('datetime-ui-datepicker-rtl');
            if (inst == $.datepicker._curInst && $.datepicker._datepickerShowing && inst.input &&
				inst.input.is(':visible') && !inst.input.is(':disabled'))
                inst.input.focus();
            // deffered render of the years select (to avoid flashes on Firefox) 
            if (inst.yearshtml) {
                var origyearshtml = inst.yearshtml;
                setTimeout(function() {
                    //assure that inst.yearshtml didn't change.
                    if (origyearshtml === inst.yearshtml) {
                        inst.dpDiv.find('select.datetime-ui-datepicker-year:first').replaceWith(inst.yearshtml);
                    }
                    origyearshtml = inst.yearshtml = null;
                }, 0);
            }
        },

        /* Retrieve the size of left and top borders for an element.
        @param  elem  (jQuery object) the element of interest
        @return  (number[2]) the left and top borders */
        _getBorders: function(elem) {
            var convert = function(value) {
                return { thin: 1, medium: 2, thick: 3}[value] || value;
            };
            return [parseFloat(convert(elem.css('border-left-width'))),
			parseFloat(convert(elem.css('border-top-width')))];
        },

        /* Check positioning to remain on screen. */
        _checkOffset: function(inst, offset, isFixed) {
            var dpWidth = inst.dpDiv.outerWidth();
            var dpHeight = inst.dpDiv.outerHeight();
            var inputWidth = inst.input ? inst.input.outerWidth() : 0;
            var inputHeight = inst.input ? inst.input.outerHeight() : 0;
            var viewWidth = document.documentElement.clientWidth + $(document).scrollLeft();
            var viewHeight = document.documentElement.clientHeight + $(document).scrollTop();

            offset.left -= (this._get(inst, 'isRTL') ? (dpWidth - inputWidth) : 0);
            offset.left -= (isFixed && offset.left == inst.input.offset().left) ? $(document).scrollLeft() : 0;
            offset.top -= (isFixed && offset.top == (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;

            // now check if datepicker is showing outside window viewport - move to a better place if so.
            offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
			Math.abs(offset.left + dpWidth - viewWidth) : 0);
            offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
			Math.abs(dpHeight + inputHeight) : 0);

            return offset;
        },

        /* Find an object's position on the screen. */
        _findPos: function(obj) {
            var inst = this._getInst(obj);
            var isRTL = this._get(inst, 'isRTL');
            while (obj && (obj.type == 'hidden' || obj.nodeType != 1)) {
                obj = obj[isRTL ? 'previousSibling' : 'nextSibling'];
            }
            var position = $(obj).offset();
            return [position.left, position.top];
        },

        /* Hide the date picker from view.
        @param  input  element - the input field attached to the date picker */
        _hideDatepicker: function(input) {
            var inst = this._curInst;
            if (!inst || (input && inst != $.data(input, PROP_NAME)))
                return;
            if (this._datepickerShowing) {
                var showAnim = this._get(inst, 'showAnim');
                var duration = this._get(inst, 'duration');
                var postProcess = function() {
                    $.datepicker._tidyDialog(inst);
                    this._curInst = null;
                };
                if ($.effects && $.effects[showAnim])
                    inst.dpDiv.hide(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
                else
                    inst.dpDiv[(showAnim == 'slideDown' ? 'slideUp' :
					(showAnim == 'fadeIn' ? 'fadeOut' : 'hide'))]((showAnim ? duration : null), postProcess);
                if (!showAnim)
                    postProcess();
                var onClose = this._get(inst, 'onClose');
                if (onClose)
                    onClose.apply((inst.input ? inst.input[0] : null),
					[(inst.input ? inst.input.val() : ''), inst]);  // trigger custom callback
                this._datepickerShowing = false;
                this._lastInput = null;
                if (this._inDialog) {
                    this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' });
                    if ($.blockUI) {
                        $.unblockUI();
                        $('body').append(this.dpDiv);
                    }
                }
                this._inDialog = false;
            }
        },

        /* Tidy up after a dialog display. */
        _tidyDialog: function(inst) {
            inst.dpDiv.removeClass(this._dialogClass).unbind('.datetime-ui-datepicker-calendar');
        },

        /* Close date picker if clicked elsewhere. */
        _checkExternalClick: function(event) {
            if (!$.datepicker._curInst)
                return;
            var $target = $(event.target);
            var iconID = $.datepicker._curInst.settings.IconID;

            if ($target[0].id != $.datepicker._mainDivId && $target[0].id != iconID &&
				$target.parents('#' + $.datepicker._mainDivId).length == 0 &&
				!$target.hasClass($.datepicker.markerClassName) &&
				!$target.hasClass($.datepicker._triggerClass) &&
				$.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI))
                $.datepicker._hideDatepicker();
        },

        /* Adjust one of the date sub-fields. */
        _adjustDate: function(id, offset, period) {
            var target = $(id);
            var inst = this._getInst(target[0]);
            if (this._isDisabledDatepicker(target[0])) {
                return;
            }
            this._adjustInstDate(inst, offset +
			(period == 'M' ? this._get(inst, 'showCurrentAtPos') : 0), // undo positioning
			period);
            this._updateDatepicker(inst);
        },

        /* Action for current link. */
        _gotoToday: function(id) {
            var target = $(id);
            var inst = this._getInst(target[0]);
            if (this._get(inst, 'gotoCurrent') && inst.currentDay) {
                inst.selectedDay = inst.currentDay;
                inst.drawMonth = inst.selectedMonth = inst.currentMonth;
                inst.drawYear = inst.selectedYear = inst.currentYear;
            }
            else {
                var date = new Date();
                inst.selectedDay = date.getDate();
                inst.drawMonth = inst.selectedMonth = date.getMonth();
                inst.drawYear = inst.selectedYear = date.getFullYear();
            }
            this._notifyChange(inst);
            this._adjustDate(target);
        },

        /* Action for selecting a new month/year. */
        _selectMonthYear: function(id, select, period) {
            var target = $(id);
            var inst = this._getInst(target[0]);
            inst._selectingMonthYear = false;
            inst['selected' + (period == 'M' ? 'Month' : 'Year')] =
		inst['draw' + (period == 'M' ? 'Month' : 'Year')] =
			parseInt(select.options[select.selectedIndex].value, 10);
            this._notifyChange(inst);
            this._adjustDate(target);
        },

        /* Restore input focus after not changing month/year. */
        _clickMonthYear: function(id) {
            var target = $(id);
            var inst = this._getInst(target[0]);
            if (inst.input && inst._selectingMonthYear) {
                setTimeout(function() {
                    inst.input.focus();
                }, 0);
            }
            inst._selectingMonthYear = !inst._selectingMonthYear;
        },

        /* Action for selecting a day. */
        _selectDay: function(id, month, year, td) {
            var target = $(id);
            if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
                return;
            }
            var inst = this._getInst(target[0]);
            inst.selectedDay = inst.currentDay = $('a', td).html();
            inst.selectedMonth = inst.currentMonth = month;
            inst.selectedYear = inst.currentYear = year;

            this._setCurrentTime(inst);

            if (this._get(inst, 'hideOnDateSelection')) {
                this._selectDate(id, this._formatDate(inst, inst.currentDay, inst.currentMonth, inst.currentYear));
            }
            else {
                this._updateDatepicker(inst);
            }
        },

        /* Set current time from textbox  values */
        _setCurrentTime: function(inst) {
            // Return hours
            var hours = 0;
            var minutes = 0;
            var seconds = 0;
            if (this._get(inst, 'showTimePanel')) {
                hours = parseInt($("#" + inst.id + "_hour").val(), 10);
                minutes = parseInt($("#" + inst.id + "_minute").val(), 10);
                seconds = parseInt($("#" + inst.id + "_second").val(), 10);

                if (!this._get(inst, 'use24HourMode')) {
                    var hourShift = $("#" + inst.id + "_hourShift").val();
                    if (hourShift == 'pm' && hours < 12) {
                        hours = hours + 12;
                    }
                    if (hourShift == 'am' && hours == 12) {
                        hours = 0;
                    }

                }
            }

            // Test hours = ok
            if (isNaN(hours)) {
                hours = 0;
            }

            if (isNaN(minutes)) {
                minutes = 0;
            }

            if (isNaN(seconds)) {
                seconds = 0;
            }

            inst.currentHour = hours;
            inst.currentMinute = minutes;
            inst.currentSecond = seconds;
        },

        _saveAndClose: function(id) {
            var target = $(id);
            var inst = this._getInst(target[0]);
            this._selectDate(id, this._formatDate(inst, inst.selectedDay, inst.selectedMonth, inst.selectedYear));
        },


        /* Erase the input field and hide the date picker. */
        _clearDate: function(id) {
            var target = $(id);
            var inst = this._getInst(target[0]);
            this._selectDate(target, '');
        },

        /* Update the input field with the selected date. */
        _selectDate: function(id, dateStr) {
            var target = $(id);
            var inst = this._getInst(target[0]);
            dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
            if (inst.input)
                inst.input.val(dateStr);
            this._updateAlternate(inst);
            var onSelect = this._get(inst, 'onSelect');
            if (onSelect)
                onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);  // trigger custom callback
            else if (inst.input)
                inst.input.trigger('change'); // fire the change event
            if (inst.inline)
                this._updateDatepicker(inst);
            else {
                this._hideDatepicker();
                this._lastInput = inst.input[0];
                if (typeof (inst.input[0]) != 'object')
                    inst.input.focus(); // restore focus
                this._lastInput = null;
            }
        },

        /* Update any alternate field to synchronise with the main field. */
        _updateAlternate: function(inst) {
            var altField = this._get(inst, 'altField');
            if (altField) { // update alternate field too
                var altFormat = this._get(inst, 'altFormat') || this._get(inst, 'dateFormat');
                var date = this._getDate(inst);
                var dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
                $(altField).each(function() { $(this).val(dateStr); });
            }
        },

        /* Set as beforeShowDay function to prevent selection of weekends.
        @param  date  Date - the date to customise
        @return [boolean, string] - is this date selectable?, what is its CSS class? */
        noWeekends: function(date) {
            var day = date.getDay();
            return [(day > 0 && day < 6), ''];
        },

        /* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
        @param  date  Date - the date to get the week for
        @return  number - the number of the week within the year that contains this date */
        iso8601Week: function(date) {
            var checkDate = new Date(date.getTime());
            // Find Thursday of this week starting on Monday
            checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
            var time = checkDate.getTime();
            checkDate.setMonth(0); // Compare with Jan 1
            checkDate.setDate(1);
            return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
        },

        /* Parse a string value into a date object.
        See formatDate below for the possible formats.

	   @param  format    string - the expected format of the date
        @param  value     string - the date in the above format
        @param  settings  Object - attributes include:
        shortYearCutoff  number - the cutoff year for determining the century (optional)
        dayNamesShort    string[7] - abbreviated names of the days from Sunday (optional)
        dayNames         string[7] - names of the days from Sunday (optional)
        monthNamesShort  string[12] - abbreviated names of the months (optional)
        monthNames       string[12] - names of the months (optional)
        @return  Date - the extracted date value or null if value is blank */
        parseDate: function(format, value, settings) {

            if (format == null || value == null)
                throw 'Invalid arguments';
            value = (typeof value == 'object' ? value.toString() : value + '');
            if (value == '')
                return null;
            var shortYearCutoff = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff;
            var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
            var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
            var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
            var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
            var PMDesignator = (settings ? settings.PMDesignator : null);
            var AMDesignator = (settings ? settings.AMDesignator : null);
            var year = -1;
            var month = -1;
            var hour = 0;
            var minute = 0;
            var second = 0;
            var day = -1;
            var doy = -1;
            var hourShift = '';
            var literal = false;
            // Check whether a format character is doubled
            var lookAhead = function(match) {
                var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
                if (matches)
                    iFormat++;
                return matches;
            };
            // Extract a number from the string value
            var getNumber = function(match) {
                var isDoubled = lookAhead(match);
                var size = (match == '@' ? 14 : (match == '!' ? 20 :
				(match == 'y' && isDoubled ? 4 : (match == 'o' ? 3 : 2))));
                var digits = new RegExp('^\\d{1,' + size + '}');
                var num = value.substring(iValue).match(digits);
                if (!num)
                    return 0;
                iValue += num[0].length;
                return parseInt(num[0], 10);
            };
            // Extract a name from the string value and convert to an index
            var getName = function(match, shortNames, longNames) {
                var names = (lookAhead(match) ? longNames : shortNames);
                for (var i = 0; i < names.length; i++) {
                    if (value.substr(iValue, names[i].length).toLowerCase() == names[i].toLowerCase()) {
                        iValue += names[i].length;
                        return i + 1;
                    }
                }
                throw 'Unknown name at position ' + iValue;
            };
            // Confirm that a literal character matches the string value
            var checkLiteral = function() {
                if (value.charAt(iValue) == format.charAt(iFormat))
                    iValue++;
            };
            var iValue = 0;
            for (var iFormat = 0; iFormat < format.length; iFormat++) {
                if (literal)
                    if (format.charAt(iFormat) == "'" && !lookAhead("'"))
                    literal = false;
                else
                    checkLiteral();
                else
                    switch (format.charAt(iFormat)) {
                    case 'd':
                        day = getNumber('d');
                        break;
                    case 'D':
                        getName('D', dayNamesShort, dayNames);
                        break;
                    case 'o':
                        doy = getNumber('o');
                        break;
                    case 'm':
                        if (!lookAhead('m'))
                            month = getNumber('m');
                        else {
                            minute = getNumber('mm');
                        }
                        break;
                    case 'M':
                        month = getNumber('M');
                        break;
                    case 'y':
                        year = getNumber('y');
                        break;
                    case 'H':
                    case 'h':
                        hour = getNumber(format.charAt(iFormat));
                        break;
                    case 's':
                        second = getNumber('s');
                        break;

                    case 't':
                        if (lookAhead('t')) {
                            //var hourShift = value.substr(iValue, value.length - iValue);
                            var hourShift = '';
                            var ch = value[iValue];
                            while (ch != ' ') {
                                hourShift += ch;
                                if (iValue >= value.length - 1)
                                    break;
                                ch = value[++iValue];
                            }

                        }
                        break;
                    case '@':
                        var date = new Date(getNumber('@'));
                        year = date.getFullYear();
                        month = date.getMonth() + 1;
                        day = date.getDate();
                        break;
                    case '!':
                        var date = new Date((getNumber('!') - this._ticksTo1970) / 10000);
                        year = date.getFullYear();
                        month = date.getMonth() + 1;
                        day = date.getDate();
                        break;
                    case "'":
                        if (lookAhead("'"))
                            checkLiteral();
                        else
                            literal = true;
                        break;
                    default:
                        checkLiteral();
                }
            }
            if (year == -1)
                year = new Date().getFullYear();
            else if (year < 100)
                year += new Date().getFullYear() - new Date().getFullYear() % 100 +
				(year <= shortYearCutoff ? 0 : -100);
            if (doy > -1) {
                month = 1;
                day = doy;
                do {
                    var dim = this._getDaysInMonth(year, month - 1);
                    if (day <= dim)
                        break;
                    month++;
                    day -= dim;
                } while (true);
            }

            //var date = this._daylightSavingAdjust(new Date(year, month - 1, day, hour, minute, 0, 0));
            if (hourShift == PMDesignator && PMDesignator != '' && hour < 12) {
                hour += 12;
            }
            if (hourShift == AMDesignator && AMDesignator != '' && hour == 12) {
                hour = 0;
            }

            var date = new Date(year, month - 1, day, hour, minute, second, 0);

            if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day)
                date = new Date();
            return date;
        },

        /* Standard date formats. */
        ATOM: 'yy-mm-dd', // RFC 3339 (ISO 8601)
        COOKIE: 'D, dd M yy',
        ISO_8601: 'yy-mm-dd',
        RFC_822: 'D, d M y',
        RFC_850: 'DD, dd-M-y',
        RFC_1036: 'D, d M y',
        RFC_1123: 'D, d M yy',
        RFC_2822: 'D, d M yy',
        RSS: 'D, d M y', // RFC 822
        TICKS: '!',
        TIMESTAMP: '@',
        W3C: 'yy-mm-dd', // ISO 8601

        _ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) +
		Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),

        /* Format a date object into a string value.
        The format can be combinations of the following:
        d  - day of month (no leading zero)
        dd - day of month (two digit)
        o  - day of year (no leading zeros)
        oo - day of year (three digit)
        D  - day name short
        DD - day name long
        m  - month of year (no leading zero)
        mm - month of year (two digit)
        M  - month name short
        MM - month name long
        y  - year (two digit)
        yy - year (four digit)
        @ - Unix timestamp (ms since 01/01/1970)
        ! - Windows ticks (100ns since 01/01/0001)
        '...' - literal text
        '' - single quote

	   @param  format    string - the desired format of the date
        @param  date      Date - the date value to format
        @param  settings  Object - attributes include:
        dayNamesShort    string[7] - abbreviated names of the days from Sunday (optional)
        dayNames         string[7] - names of the days from Sunday (optional)
        monthNamesShort  string[12] - abbreviated names of the months (optional)
        monthNames       string[12] - names of the months (optional)
        @return  string - the date in the above format */
        formatDate: function(format, date, settings) {
            if (!date)
                return '';
            var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
            var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
            var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
            var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
            var PMDesignator = (settings ? settings.PMDesignator : null);
            var AMDesignator = (settings ? settings.AMDesignator : null);
            var hourShift = AMDesignator;

            // Check whether a format character is doubled
            var lookAhead = function(match, move) {
                var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
                if (matches && move)
                    iFormat++;
                return matches;
            };
            // Format a number, with leading zero if necessary
            var formatNumber = function(match, value, len) {
                var num = '' + value;
                if (lookAhead(match, true))
                    while (num.length < len)
                    num = '0' + num;
                return num;
            };
            // Format a name, short or long as requested
            var formatName = function(match, value, shortNames, longNames) {
                return (lookAhead(match, true) ? longNames[value] : shortNames[value]);
            };
            var output = '';
            var literal = false;
            if (date)
                for (var iFormat = 0; iFormat < format.length; iFormat++) {
                if (literal)
                    if (format.charAt(iFormat) == "'" && !lookAhead("'", true))
                    literal = false;
                else
                    output += format.charAt(iFormat);
                else
                    switch (format.charAt(iFormat)) {
                    case 'd':
                        output += formatNumber('d', date.getDate(), 2);
                        break;
                    case 'D':
                        output += formatName('D', date.getDay(), dayNamesShort, dayNames);
                        break;
                    case 'o':
                        output += formatNumber('o',
								(date.getTime() - new Date(date.getFullYear(), 0, 0).getTime()) / 86400000, 3);
                        break;
                    case 'm':
                        if (lookAhead('m', false)) {
                            output += formatNumber('m', date.getMinutes(), 2);
                        }
                        else {
                            output += formatNumber('m', date.getMonth() + 1, 2);
                        }
                        break;
                    case 'M':
                        output += formatNumber('M', date.getMonth() + 1, 2);
                        break;
                    case 'y':
                        output += (lookAhead('y', true) ? date.getFullYear() :
								(date.getYear() % 100 < 10 ? '0' : '') + date.getYear() % 100);
                        break;
                    case 'H':
                    case 'h':
                        // format contains AM/PM designator
                        var hours = date.getHours();
                        if (format.indexOf('tt') != -1) {
                            if (hours > 12) {
                                hourShift = PMDesignator;
                                hours = hours - 12;
                            }
                            else
                                if (hours == 12)
                                hourShift = PMDesignator;
                            else
                                if (hours == 0)
                                hours = 12;
                        }
                        output += formatNumber(format.charAt(iFormat), hours, 2);
                        break;
                    case 't':
                        if (lookAhead('t', true)) {
                            output += hourShift;
                        }
                        break;
                    case 's':
                        if (lookAhead('s', false)) {
                            output += formatNumber('s', date.getSeconds(), 2);
                        }
                        break;
                    case '@':
                        output += date.getTime();
                        break;
                    case '!':
                        output += date.getTime() * 10000 + this._ticksTo1970;
                        break;
                    case "'":
                        if (lookAhead("'", true))
                            output += "'";
                        else
                            literal = true;
                        break;
                    default:
                        output += format.charAt(iFormat);
                }
            }
            return output;
        },

        /* Extract all possible characters from the date format. */
        _possibleChars: function(format) {
            var chars = '';
            var literal = false;
            // Check whether a format character is doubled
            var lookAhead = function(match) {
                var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
                if (matches)
                    iFormat++;
                return matches;
            };
            for (var iFormat = 0; iFormat < format.length; iFormat++)
                if (literal)
                if (format.charAt(iFormat) == "'" && !lookAhead("'"))
                literal = false;
            else
                chars += format.charAt(iFormat);
            else
                switch (format.charAt(iFormat)) {
                case 'd': case 'm': case 'y': case '@':
                    chars += '0123456789';
                    break;
                case 'D': case 'M':
                    return null; // Accept anything
                case "'":
                    if (lookAhead("'"))
                        chars += "'";
                    else
                        literal = true;
                    break;
                default:
                    chars += format.charAt(iFormat);
            }
            return chars;
        },

        /* Get a setting value, defaulting if necessary. */
        _get: function(inst, name) {
            return inst.settings[name] !== undefined ?
			inst.settings[name] : this._defaults[name];
        },

        /* Parse existing date and initialise date picker. */
        _setDateFromField: function(inst, noDefault) {
            if (inst.input.val() == inst.lastVal) {
                return;
            }
            var dateFormat = this._get(inst, 'dateFormat');
            var dates = inst.lastVal = inst.input ? inst.input.val() : null;
            var date, defaultDate;
            date = defaultDate = this._getDefaultDate(inst);
            var settings = this._getFormatConfig(inst);
            try {
                date = this.parseDate(dateFormat, dates, settings) || defaultDate;
            } catch (event) {
                this.log(event);
                dates = (noDefault ? '' : dates);
            }
            inst.selectedDay = date.getDate();
            inst.drawMonth = inst.selectedMonth = date.getMonth();
            inst.drawYear = inst.selectedYear = date.getFullYear();
            inst.currentDay = (dates ? date.getDate() : defaultDate.getDate());
            inst.currentMonth = (dates ? date.getMonth() : defaultDate.getMonth());
            inst.currentYear = (dates ? date.getFullYear() : defaultDate.getFullYear());
            inst.currentHour = (dates ? date.getHours() : defaultDate.getHours());
            inst.currentMinute = (dates ? date.getMinutes() : defaultDate.getMinutes());
            inst.currentSecond = (dates ? date.getSeconds() : defaultDate.getSeconds());

            this._adjustInstDate(inst);
        },

        /* Retrieve the default date shown on opening. */
        _getDefaultDate: function(inst) {
            var defaultDate = this._get(inst, 'defaultDate');
            var defaultTimeValue = this._get(inst, 'defaultTimeValue');

            var now = new Date();
            if ((defaultDate != null) && (typeof (defaultDate) == 'string')) {
                var dateFormat = this._get(inst, 'dateFormat');
                var settings = this._getFormatConfig(inst);
                var date = this.parseDate(dateFormat, defaultDate, settings)
                now = new Date(date.getFullYear(), date.getMonth(), date.getDate(), now.getHours(), now.getMinutes(), now.getSeconds());
            }

            var timeZoneOffset = this._get(inst, 'timeZoneOffset');

            if (timeZoneOffset != 0) {
                now.setMinutes(now.getMinutes() + timeZoneOffset);
            }

            if (defaultTimeValue != 0) {
                now = defaultTimeValue == 1 ? new Date(now.getFullYear(), now.getMonth(), now.getDate(), 0, 0, 0) :
                   new Date(now.getFullYear(), now.getMonth(), now.getDate(), 23, 59, 59);
            }

            return this._restrictMinMax(inst,
			this._determineDate(inst, now, now));
        },

        /* A date may be specified as an exact value or a relative one. */
        _determineDate: function(inst, date, defaultDate) {
            var offsetNumeric = function(offset) {
                var date = new Date();
                date.setDate(date.getDate() + offset);
                return date;
            };
            var offsetString = function(offset) {
                try {
                    return $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
					offset, $.datepicker._getFormatConfig(inst));
                }
                catch (e) {
                    // Ignore
                }
                var date = (offset.toLowerCase().match(/^c/) ?
				$.datepicker._getDate(inst) : null) || new Date();
                var year = date.getFullYear();
                var month = date.getMonth();
                var day = date.getDate();
                var pattern = /([+-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g;
                var matches = pattern.exec(offset);
                while (matches) {
                    switch (matches[2] || 'd') {
                        case 'd': case 'D':
                            day += parseInt(matches[1], 10); break;
                        case 'w': case 'W':
                            day += parseInt(matches[1], 10) * 7; break;
                        case 'm': case 'M':
                            month += parseInt(matches[1], 10);
                            day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
                            break;
                        case 'y': case 'Y':
                            year += parseInt(matches[1], 10);
                            day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
                            break;
                    }
                    matches = pattern.exec(offset);
                }
                return new Date(year, month, day);
            };
            var newDate = (date == null || date === '' ? defaultDate : (typeof date == 'string' ? offsetString(date) :
			(typeof date == 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : new Date(date.getTime()))));
            newDate = (newDate && newDate.toString() == 'Invalid Date' ? defaultDate : newDate);
            return newDate;
        },

        /* Handle switch to/from daylight saving.
        Hours may be non-zero on daylight saving cut-over:
        > 12 when midnight changeover, but then cannot generate
        midnight datetime, so jump to 1AM, otherwise reset.
        @param  date  (Date) the date to check
        @return  (Date) the corrected date */
        _daylightSavingAdjust: function(date) {
            if (!date) return null;
            date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
            return date;
        },

        /* Set the date(s) directly. */
        _setDate: function(inst, date, noChange) {
            var disableDaySelect = this._get(inst, 'disableDaySelect');
            var disableMonthSelect = this._get(inst, 'disableMonthSelect');
            var timeZoneOffset = this._get(inst, 'timeZoneOffset');
            var defaultTimeValue = this._get(inst, 'defaultTimeValue');

            var defaultMonth = defaultTimeValue == 1 ? 0 : 11;
            var now = new Date();

            if (typeof (date) == 'string') {
                if (disableMonthSelect) {
                    date = parseInt(date, 10) == date ? new Date(date, defaultMonth, 1) : new Date(now.getFullYear(), defaultMonth, 1);
                }
                else if (disableDaySelect) {
                    var split = date.split('/');
                    if (split.length == 2) {
                        var year = parseInt(split[0], 10) == split[0] ? parseInt(split[0], 10) : now.getFullYear();
                        var month = parseInt(split[1], 10) == split[1] ? parseInt(split[1], 10) : now.getMonth(); 0
                        date = new Date(year, month - 1, 1);
                    }
                    else {
                        var year = parseInt(date, 10) && date != '' ? parseInt(date, 10) : now.getFullYear();
                        date = new Date(year, now.getMonth() - 1, 1);
                    }
                }
            }

            var clear = !date;
            var origMonth = inst.selectedMonth;
            var origYear = inst.selectedYear;

            var defaultDate = this._getDefaultDate(inst);

            if ((timeZoneOffset != 0) && (defaultTimeValue == 0)) {
                defaultDate.setMinutes(defaultDate.getMinutes() + timeZoneOffset);
            }

            var newDate = this._restrictMinMax(inst, this._determineDate(inst, date, defaultDate));

            inst.selectedDay = inst.currentDay = newDate.getDate();
            inst.drawMonth = inst.selectedMonth = inst.currentMonth = newDate.getMonth();
            inst.drawYear = inst.selectedYear = inst.currentYear = newDate.getFullYear();
            inst.currentHour = newDate.getHours();
            inst.currentMinute = newDate.getMinutes();
            inst.currentSecond = newDate.getSeconds();

            if ((origMonth != inst.selectedMonth || origYear != inst.selectedYear) && !noChange)
                this._notifyChange(inst);
            this._updateDatepicker(inst);
            this._adjustInstDate(inst);
            if (inst.input && noChange) {
                inst.input.val(clear ? '' : this._formatDate(inst));
            }
        },

        /* Retrieve the date(s) directly. */
        _getDate: function(inst) {
            var startDate = (!inst.currentYear || (inst.input && inst.input.val() == '') ? null :
			(new Date(inst.currentYear, inst.currentMonth, inst.currentDay, inst.currentHour, inst.currentMinute, inst.currentSecond)));
            return startDate;
        },

        _getFormattedDate: function(inst) {
            var disableDaySelect = this._get(inst, 'disableDaySelect');
            var disableMonthSelect = this._get(inst, 'disableMonthSelect');

            if (disableMonthSelect) {
                return inst.selectedYear;
            }
            else
                if (disableDaySelect) {
                return inst.selectedYear + "/" + (inst.selectedMonth + 1);
            }

            this._setCurrentTime(inst);
            var date = new Date(inst.currentYear, inst.currentMonth, inst.currentDay, inst.currentHour, inst.currentMinute, inst.currentSecond);
            return this.formatDate(this._get(inst, 'dateFormat'), date, this._getFormatConfig(inst));
        },

        _compareDates: function(date1, date2) {
            return date1.getFullYear() == date2.getFullYear() && date2.getMonth() == date1.getMonth() && date2.getDate() == date1.getDate();
        },

        /* Generate the HTML for the current state of the date picker. */
        _generateHTML: function(inst) {
            var today = new Date();
            today = this._daylightSavingAdjust(
			new Date(today.getFullYear(), today.getMonth(), today.getDate())); // clear time
            var isRTL = this._get(inst, 'isRTL');
            var showButtonPanel = this._get(inst, 'showButtonPanel');
            var hideIfNoPrevNext = this._get(inst, 'hideIfNoPrevNext');
            var navigationAsDateFormat = this._get(inst, 'navigationAsDateFormat');
            var numMonths = this._getNumberOfMonths(inst);
            var showCurrentAtPos = this._get(inst, 'showCurrentAtPos');
            var stepMonths = this._get(inst, 'stepMonths');
            var isMultiMonth = (numMonths[0] != 1 || numMonths[1] != 1);
            var currentDate = (!inst.currentDay ? new Date(9999, 9, 9) :
			new Date(inst.currentYear, inst.currentMonth, inst.currentDay, inst.currentHour, inst.currentMinute, inst.currentSecond, 0));
            var minDate = this._getMinMaxDate(inst, 'min');
            var maxDate = this._getMinMaxDate(inst, 'max');
            var drawMonth = inst.drawMonth - showCurrentAtPos;
            var drawYear = inst.drawYear;
            var actionPanelButtons = this._get(inst, 'actionPanelButtons');
            var displayOK = $.inArray('ok', actionPanelButtons) != -1;
            var displayNow = $.inArray('now', actionPanelButtons) != -1;
            var displayNA = $.inArray('na', actionPanelButtons) != -1;
            var okCommand = this._get(inst, 'OKCommand');

            var displaySeconds = this._get(inst, 'displaySeconds');
            var disableDaySelect = this._get(inst, 'disableDaySelect');
            var disableMonthSelect = this._get(inst, 'disableMonthSelect');
            var defaultTimeValue = this._get(inst, 'defaultTimeValue');
            var highlightCurrentDay = this._get(inst, 'highlightCurrentDay');

            if (drawMonth < 0) {
                drawMonth += 12;
                drawYear--;
            }
            if (maxDate) {
                var maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
				maxDate.getMonth() - (numMonths[0] * numMonths[1]) + 1, maxDate.getDate()));
                maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
                while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
                    drawMonth--;
                    if (drawMonth < 0) {
                        drawMonth = 11;
                        drawYear--;
                    }
                }
            }
            inst.drawMonth = drawMonth;
            inst.drawYear = drawYear;
            var prevText = this._get(inst, 'prevText');
            prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
			this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
			this._getFormatConfig(inst)));
            var prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
			'<a class="datetime-ui-datepicker-prev datetime-ui-corner-all" onclick="DP_jQuery_' + dpuuid +
			'.datepicker._adjustDate(\'#' + inst.id + '\', -' + stepMonths + ', \'M\');"' +
			' title="' + prevText + '"><span class="datetime-ui-icon datetime-ui-icon-circle-triangle-' + (isRTL ? 'e' : 'w') + '"></span></a>' :
			(hideIfNoPrevNext ? '' : '<a class="datetime-ui-datepicker-prev datetime-ui-corner-all datetime-ui-state-disabled" title="' + prevText + '"><span class="datetime-ui-icon datetime-ui-icon-circle-triangle-' + (isRTL ? 'e' : 'w') + '"></span></a>'));
            var nextText = this._get(inst, 'nextText');
            nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
			this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
			this._getFormatConfig(inst)));
            var next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
			'<a class="datetime-ui-datepicker-next datetime-ui-corner-all" onclick="DP_jQuery_' + dpuuid +
			'.datepicker._adjustDate(\'#' + inst.id + '\', +' + stepMonths + ', \'M\');"' +
			' title="' + nextText + '"><span class="datetime-ui-icon datetime-ui-icon-circle-triangle-' + (isRTL ? 'w' : 'e') + '"></span></a>' :
			(hideIfNoPrevNext ? '' : '<a class="datetime-ui-datepicker-next datetime-ui-corner-all datetime-ui-state-disabled" title="' + nextText + '"><span class="datetime-ui-icon datetime-ui-icon-circle-triangle-' + (isRTL ? 'w' : 'e') + '"></span></a>'));
            var currentText = this._get(inst, 'currentText');
            var gotoDate = (this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today);
            currentText = (!navigationAsDateFormat ? currentText :
			this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));

            // Buttons panel
            var buttonOKStyle = isRTL ? 'style="float:left"' : 'style="float:right"';
            var buttonRestStyle = isRTL ? 'style="float:right"' : 'style="float:left"';
            var okButton = (!inst.inline && displayOK ? '<button type="button" ' + buttonOKStyle + ' class="datetime-ui-datepicker-close datetime-ui-state-default datetime-ui-priority-primary datetime-ui-corner-all" onclick="DP_jQuery_' + dpuuid +
			'.datepicker._saveAndClose(\'#' + inst.id + '\');' + okCommand + '";">' + this._get(inst, 'closeText') + '</button>' : '');
            var nowButton = this._isInRange(inst, gotoDate) && displayNow ? "<button type=\"button\" " + buttonRestStyle + "class=\"datetime-ui-datepicker-current datetime-ui-state-default datetime-ui-priority-secondary datetime-ui-corner-all\" onClick =\"SelectModalDate_" + inst.id + "('now', '" + inst.id + "'); return false;\"  >" + currentText + '</button>' : '';
            var NAButton = displayNA ? '<button type="button" ' + buttonRestStyle + ' class="datetime-ui-datepicker-current datetime-ui-state-default datetime-ui-priority-secondary datetime-ui-corner-all" onclick="DP_jQuery_' + dpuuid +
            	'.datepicker._clearDate(\'#' + inst.id + '\');' + okCommand + '">' + this._get(inst, 'NAText') + '</button>' : '';

            var buttonPanel = (showButtonPanel) ? '<div class="datetime-ui-datepicker-buttonpane datetime-ui-widget-content ">' + okButton + nowButton + NAButton + '</div>' : '';

            var firstDay = parseInt(this._get(inst, 'firstDay'), 10);
            firstDay = (isNaN(firstDay) ? 0 : firstDay);
            var showWeek = this._get(inst, 'showWeek');
            var dayNames = this._get(inst, 'dayNames');
            var dayNamesShort = this._get(inst, 'dayNamesShort');
            var dayNamesMin = this._get(inst, 'dayNamesMin');
            var monthNames = this._get(inst, 'monthNames');
            var monthNamesShort = this._get(inst, 'monthNamesShort');
            var beforeShowDay = this._get(inst, 'beforeShowDay');
            var showOtherMonths = this._get(inst, 'showOtherMonths');
            var selectOtherMonths = this._get(inst, 'selectOtherMonths');
            var calculateWeek = this._get(inst, 'calculateWeek') || this.iso8601Week;
            var defaultDate = this._getDefaultDate(inst);
            var numberOfRows = this._get(inst, 'numberOfRows');
            var showTimePanel = this._get(inst, 'showTimePanel');
            var use24HourMode = this._get(inst, 'use24HourMode');
            var AMDesignator = this._get(inst, 'AMDesignator');
            var PMDesignator = this._get(inst, 'PMDesignator');
            var showUnselectable = false;
            var showDaySelector = showUnselectable || (!disableDaySelect && !disableMonthSelect);
            var html = '';
            for (var row = 0; row < numMonths[0]; row++) {
                var group = '';
                for (var col = 0; col < numMonths[1]; col++) {
                    var selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
                    var cornerClass = ' datetime-ui-corner-all';
                    var calender = '';
                    if (isMultiMonth) {
                        calender += '<div class="datetime-ui-datepicker-group';
                        if (numMonths[1] > 1)
                            switch (col) {
                                case 0: calender += ' datetime-ui-datepicker-group-first';
                                    cornerClass = ' datetime-ui-corner-' + (isRTL ? 'right' : 'left'); break;
                                case numMonths[1] - 1: calender += ' datetime-ui-datepicker-group-last';
                                    cornerClass = ' datetime-ui-corner-' + (isRTL ? 'left' : 'right'); break;
                                default: calender += ' datetime-ui-datepicker-group-middle'; cornerClass = ''; break;
                        }
                        calender += '">';
                    }
                    calender += '<div class="datetime-ui-datepicker-header datetime-ui-widget-header datetime-ui-helper-clearfix' + cornerClass + '">' +
					(/all|left/.test(cornerClass) && row == 0 ? (isRTL ? next : prev) : '') +
					(/all|right/.test(cornerClass) && row == 0 ? (isRTL ? prev : next) : '') +
					this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
					row > 0 || col > 0, monthNames, monthNamesShort) + // draw month headers
					'</div><table class="datetime-ui-datepicker-calendar"><thead>' +
					'<tr>';
                    if (showDaySelector) {
                        var thead = (showWeek ? '<th class="datetime-ui-datepicker-week-col">' + this._get(inst, 'weekHeader') + '</th>' : '');
                        for (var dow = 0; dow < 7; dow++) { // days of the week
                            var day = (dow + firstDay) % 7;
                            thead += '<th' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="datetime-ui-datepicker-week-end"' : '') + '>' +
						'<span title="' + dayNames[day] + '">' + dayNamesMin[day] + '</span></th>';
                        }
                        calender += thead + '</tr></thead><tbody>';
                        var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
                        if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth)
                            inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
                        var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
                        var numRows = (isMultiMonth ? 6 : Math.ceil((leadDays + daysInMonth) / 7)); // calculate the number of rows to generate
                        var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
                        if (numberOfRows != 0) {
                            numRows = numberOfRows;
                        }

                        for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
                            calender += '<tr>';
                            var tbody = (!showWeek ? '' : '<td class="datetime-ui-datepicker-week-col">' +
						this._get(inst, 'calculateWeek')(printDate) + '</td>');
                            for (var dow = 0; dow < 7; dow++) { // create date picker days
                                var daySettings = (beforeShowDay ?
							beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']);
                                var otherMonth = (printDate.getMonth() != drawMonth);
                                var unselectable = (otherMonth && !selectOtherMonths) || !daySettings[0] || disableDaySelect || disableMonthSelect ||
							(minDate && printDate < minDate) || (maxDate && printDate > maxDate);
                                tbody += '<td class="' +
							((dow + firstDay + 6) % 7 >= 5 ? ' datetime-ui-datepicker-week-end' : '') + // highlight weekends
							(otherMonth ? ' datetime-ui-datepicker-other-month' : '') + // highlight days from other months
							((printDate.getTime() == selectedDate.getTime() && drawMonth == inst.selectedMonth && inst._keyEvent) || // user pressed key
							(defaultDate.getTime() == printDate.getTime() && defaultDate.getTime() == selectedDate.getTime()) ?
                                // or defaultDate is current printedDate and defaultDate is selectedDate
							' ' + this._dayOverClass : '') + // highlight selected day
							(unselectable ? ' ' + this._unselectableClass + ' datetime-ui-state-disabled' : '') +  // highlight unselectable days
							(otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + // highlight custom dates                            
							(this._compareDates(printDate, currentDate) ? ' ' + this._currentClass : '') + // highlight selected day
							(printDate.getTime() == today.getTime() ? ' datetime-ui-datepicker-today' : '')) + '"' + // highlight today (if different)
							((!otherMonth || showOtherMonths) && daySettings[2] ? ' title="' + daySettings[2] + '"' : '') + // cell title
							(unselectable ? '' : ' onclick="DP_jQuery_' + dpuuid + '.datepicker._selectDay(\'#' +
							inst.id + '\',' + printDate.getMonth() + ',' + printDate.getFullYear() + ', this);return false;"') + '>' + // actions
							(otherMonth && !showOtherMonths ? '&#xa0;' : // display for other months
							(unselectable ? '<span class="datetime-ui-state-default">' + printDate.getDate() + '</span>' : '<a class="datetime-ui-state-default' +
							(printDate.getTime() == today.getTime() && highlightCurrentDay ? ' datetime-ui-state-highlight' : '') +
                            (this._compareDates(printDate, currentDate) ? ' datetime-ui-state-active' : '') + // highlight selected day
							(otherMonth ? ' datetime-ui-priority-secondary' : '') + // distinguish dates from other months
							'" href="#">' + printDate.getDate() + '</a>')) + '</td>'; // display selectable date
                                printDate.setDate(printDate.getDate() + 1);
                                printDate = this._daylightSavingAdjust(printDate);
                            }
                            calender += tbody + '</tr>';
                        }
                    }
                    drawMonth++;
                    if (drawMonth > 11) {
                        drawMonth = 0;
                        drawYear++;
                    }
                    calender += '</tbody></table>';

                    if (showTimePanel) {
                        // If not date selected - use default date
                        var dt = new Date(inst.currentYear, inst.currentMonth, inst.currentDay, inst.currentHour, inst.currentMinute, inst.currentSecond);
                        if (inst.currentDay) {
                            dt = currentDate;
                        }

                        var hours = dt.getHours();
                        var ampmValue = 'am';
                        var selected = "selected='selected'";
                        if (!use24HourMode) {
                            if (hours > 12) {
                                hours = hours - 12;
                                ampmValue = 'pm';
                            }
                            else if (hours == 12)
                                ampmValue = 'pm';
                            else if (hours == 0)
                                hours = 12;
                        }
                        // Count max and min for hours
                        var hourMax = 23;
                        var hourMin = 0;
                        var hourShiftID = null;
                        if (!use24HourMode) {
                            hourMax = 12;
                            hourMin = 1;
                            hourShiftID = "'" + inst.id + "_hourShift'";
                        }
                        var format = this._get(inst, 'dateFormat');
                        var zeroHour = format.indexOf('hh') != -1 ? true : false;
                        var zeroMinute = format.indexOf('mm') != -1 ? true : false;
                        var zeroSecond = format.indexOf('ss') != -1 ? true : false;

                        var seconds = "<td>:</td><td><input class='datetime-ui-time-textbox' type='text' onKeyDown='return DP_jQuery_" + dpuuid + ".datepicker._checkHours(event,id,59,0);' id='" + inst.id + "_second' value = '" + this._addZero(dt.getSeconds(), zeroSecond) + "'></td>" +
                                   "<td><div class='datetime-ui-time-arrow_move datetime-ui-icon datetime-ui-timeicon-n' onclick=\"DP_jQuery_" + dpuuid + ".datepicker._moveTime ('" + inst.id + "_second',59,0,5," + zeroSecond + ",null);\"></div><div class='datetime-ui-time-arrow_move datetime-ui-icon datetime-ui-timeicon-s' onclick=\"DP_jQuery_" + dpuuid + ".datepicker._moveTime ('" + inst.id + "_second',59,0,-5," + zeroSecond + ",null);\"></div></td>";

                        calender += "<div class=\"RightAlign\">" +
                                   "<table><tr>" + (isRTL ? "" : "<td style=\"width:100%\"/>") + "<td><input class='datetime-ui-time-textbox' type='text' onKeyDown='return DP_jQuery_" + dpuuid + ".datepicker._checkHours(event,id," + hourMax + "," + hourMin + ");' id='" + inst.id + "_hour' value = '" + this._addZero(hours, zeroHour) + "'></td>" +
                                   "<td><div class='datetime-ui-time-arrow_move datetime-ui-icon datetime-ui-timeicon-n' onclick=\"DP_jQuery_" + dpuuid + ".datepicker._moveTime ('" + inst.id + "_hour'," + hourMax + "," + hourMin + ",1," + zeroHour + "," + hourShiftID + ");\" ></div><div class='datetime-ui-time-arrow_move datetime-ui-icon datetime-ui-timeicon-s' onclick=\"DP_jQuery_" + dpuuid + ".datepicker._moveTime ('" + inst.id + "_hour'," + hourMax + "," + hourMin + ",-1," + zeroHour + "," + hourShiftID + ");\"></div></td><td>:</td>" +
                                   "<td><input class='datetime-ui-time-textbox' type='text' onKeyDown='return DP_jQuery_" + dpuuid + ".datepicker._checkHours(event,id,59,0);' id='" + inst.id + "_minute' value ='" + this._addZero(dt.getMinutes(), zeroMinute) + "'></td>" +
                                   "<td><div class='datetime-ui-time-arrow_move datetime-ui-icon datetime-ui-timeicon-n' onclick=\"DP_jQuery_" + dpuuid + ".datepicker._moveTime ('" + inst.id + "_minute',59,0,5," + zeroMinute + ",null);\" ></div><div class='datetime-ui-time-arrow_move datetime-ui-icon datetime-ui-timeicon-s' onclick=\"DP_jQuery_" + dpuuid + ".datepicker._moveTime ('" + inst.id + "_minute',59,0,-5," + zeroMinute + ",null);\" ></div></td>" +
                                   (displaySeconds ? seconds : '');

                        if (!use24HourMode) {
                            calender += "<td><select class=\"hourShift\"  id ='" + inst.id + "_hourShift' ><option value='am'>" + AMDesignator + "</option><option value='pm' " + (ampmValue == 'pm' ? selected : "") + ">" + PMDesignator + "</option></select></td>";
                        }
                        calender += "</td>" + (isRTL ? "<td style=\"width:100%\"/>" : "") + "</tr></table></div><div style=\"clear:both\"/>";
                    }

                    calender += (isMultiMonth ? '</div>' +
							((numMonths[0] > 0 && col == numMonths[1] - 1) ? '<div class="datetime-ui-datepicker-row-break"></div>' : '') : '');
                    group += calender;
                }
                html += group;
            }
            html += buttonPanel + ($.browser.msie && parseInt($.browser.version, 10) < 7 && !inst.inline ?
			'<iframe src="javascript:false;" class="datetime-ui-datepicker-cover" frameborder="0"></iframe>' : '');
            inst._keyEvent = false;
            return html;
        },

        // Move hour,second or minute up or down with given interval
        _moveTime: function(id, max, min, interval, zeroItem, hourShiftID) {
            var item = $('#' + id);
            var val = parseInt(item.val(), 10);

            if (isNaN(val)) {
                val = 0;
            }

            if ((val % interval != 0) && (interval != 1)) {
                var intPart = Math.abs(Math.floor(val / interval));
                val = Math.abs((intPart + (interval > 0 ? 1 : -1)) * interval);
            }
            else {
                val += interval;
            }

            if (val > max) {
                val = val - max + min - 1;
            }
            if (val < min) {
                val = max + 1 + val - min;
            }

            if (hourShiftID != null) {
                var shift = $('#' + hourShiftID);
                if ((val == max) && (interval == 1)) {
                    shift.val(shift.val() == 'pm' ? 'am' : 'pm');
                }
                if ((val == max - 1) && (interval == -1)) {
                    shift.val(shift.val() == 'pm' ? 'am' : 'pm');
                }
            }

            item.val(this._addZero(val, zeroItem));

        },

        // Add zero to time value if needed
        _addZero: function(val, zeroItem) {
            return (val < 10 && zeroItem) ? "0" + val : val;
        },

        _applySelection: function(id, text, value) {
            var textComponent = document.getElementById(id);
            var selectedText;
            var selStart = 0; ;
            // IE version
            if (document.selection != undefined) {
                textComponent.focus();

                // Find start of selection
                var r = document.selection.createRange();
                selectedText = r.text;
                if (r == null) {
                    return 0;
                }
                var re = textComponent.createTextRange(),
                rc = re.duplicate();
                re.moveToBookmark(r.getBookmark());
                rc.setEndPoint('EndToStart', re);

                selStart = rc.text.length;
            }
            // Mozilla version
            else if (textComponent.selectionStart != undefined) {
                var selStart = textComponent.selectionStart;
                var endPos = textComponent.selectionEnd;
                selectedText = textComponent.value.substring(selStart, endPos)
            }
            return text.substr(0, selStart) + value + text.substr(selectedText.length + selStart);
        },

        /* Check the input for right value */
        _checkHours: function(e, id, max, min) {
            var value = $('#' + id).val();
            var keyCode = (window.Event) ? e.which : e.keyCode;
            // Alpha numeric
            if (keyCode > 95 && keyCode < 106)
                keyCode -= 48;

            // Let user pres alt shift (back) space delete and left and right arrow, F keys,home or end
            if (e.altKey || e.shiftKey || keyCode == 37 || keyCode == 39 || keyCode == 32 || keyCode == 8 || keyCode == 46 || (keyCode >= 112 && keyCode <= 122) || keyCode == 36 || keyCode == 35)
                return true;

            value = this._applySelection(id, value, String.fromCharCode(keyCode));
            var newVal = parseInt(value, 10);
            if (parseInt(value, 10) != value || newVal < min || newVal > max)
                return false;

            return true;
        },

        /* Generate the month and year header. */
        _generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
			secondary, monthNames, monthNamesShort) {
            var changeMonth = this._get(inst, 'changeMonth');
            var changeYear = this._get(inst, 'changeYear');
            var showMonthAfterYear = this._get(inst, 'showMonthAfterYear');
            var html = '<div class="datetime-ui-datepicker-title">';
            var monthHtml = '';
            // month selection
            if (secondary || !changeMonth)
                monthHtml += '<span class="datetime-ui-datepicker-month">' + monthNames[drawMonth] + '</span>';
            else {
                var inMinYear = (minDate && minDate.getFullYear() == drawYear);
                var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear);
                monthHtml += '<select class="datetime-ui-datepicker-month" ' +
				'onchange="DP_jQuery_' + dpuuid + '.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'M\');" ' +
				'onclick="DP_jQuery_' + dpuuid + '.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
			 	'>';
                for (var month = 0; month < 12; month++) {
                    if ((!inMinYear || month >= minDate.getMonth()) &&
						(!inMaxYear || month <= maxDate.getMonth()))
                        monthHtml += '<option value="' + month + '"' +
						(month == drawMonth ? ' selected="selected"' : '') +
						'>' + monthNamesShort[month] + '</option>';
                }
                monthHtml += '</select>';
            }
            if (!showMonthAfterYear)
                html += monthHtml + (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '');
            // year selection
            inst.yearshtml = '';
            if (secondary || !changeYear)
                html += '<span class="datetime-ui-datepicker-year">' + drawYear + '</span>';
            else {
                // determine range of years to display
                var years = this._get(inst, 'yearRange').split(':');
                var thisYear = new Date().getFullYear();
                var determineYear = function(value) {
                    var year = (value.match(/c[+-].*/) ? drawYear + parseInt(value.substring(1), 10) :
					(value.match(/[+-].*/) ? thisYear + parseInt(value, 10) :
					parseInt(value, 10)));
                    return (isNaN(year) ? thisYear : year);
                };
                var year = determineYear(years[0]);
                var endYear = Math.max(year, determineYear(years[1] || ''));
                year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
                endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
                inst.yearshtml += '<select class="datetime-ui-datepicker-year" ' +
				'onchange="DP_jQuery_' + dpuuid + '.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'Y\');" ' +
				'onclick="DP_jQuery_' + dpuuid + '.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
				'>';
                for (; year <= endYear; year++) {
                    inst.yearshtml += '<option value="' + year + '"' +
					(year == drawYear ? ' selected="selected"' : '') +
					'>' + year + '</option>';
                }
                inst.yearshtml += '</select>';
                //when showing there is no need for later update
                if (!$.browser.mozilla) {
                    html += inst.yearshtml;
                    inst.yearshtml = null;
                } else {
                    // will be replaced later with inst.yearshtml
                html += '<select class="datetime-ui-datepicker-year"><option value="' + drawYear + '" selected="selected">' + drawYear + '</option></select>';
                }
            }
            html += this._get(inst, 'yearSuffix');
            if (showMonthAfterYear)
                html += (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '') + monthHtml;
            html += '</div>'; // Close datepicker_header
            return html;
        },

        /* Adjust one of the date sub-fields. */
        _adjustInstDate: function(inst, offset, period) {
            var year = inst.drawYear + (period == 'Y' ? offset : 0);
            var month = inst.drawMonth + (period == 'M' ? offset : 0);
            var day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) +
			(period == 'D' ? offset : 0);
            var date = this._restrictMinMax(inst,
			this._daylightSavingAdjust(new Date(year, month, day)));
            inst.selectedDay = date.getDate();
            inst.drawMonth = inst.selectedMonth = date.getMonth();
            inst.drawYear = inst.selectedYear = date.getFullYear();
            if (period == 'M' || period == 'Y')
                this._notifyChange(inst);
        },

        /* Ensure a date is within any min/max bounds. */
        _restrictMinMax: function(inst, date) {
            var minDate = this._getMinMaxDate(inst, 'min');
            var maxDate = this._getMinMaxDate(inst, 'max');
            var newDate = (minDate && date < minDate ? minDate : date);
            newDate = (maxDate && newDate > maxDate ? maxDate : newDate);
            return newDate;
        },

        /* Notify change of month/year. */
        _notifyChange: function(inst) {
            var onChange = this._get(inst, 'onChangeMonthYear');
            if (onChange)
                onChange.apply((inst.input ? inst.input[0] : null),
				[inst.selectedYear, inst.selectedMonth + 1, inst]);
        },

        /* Determine the number of months to show. */
        _getNumberOfMonths: function(inst) {
            var numMonths = this._get(inst, 'numberOfMonths');
            return (numMonths == null ? [1, 1] : (typeof numMonths == 'number' ? [1, numMonths] : numMonths));
        },

        /* Determine the current maximum date - ensure no time components are set. */
        _getMinMaxDate: function(inst, minMax) {
            return this._determineDate(inst, this._get(inst, minMax + 'Date'), null);
        },

        /* Find the number of days in a given month. */
        _getDaysInMonth: function(year, month) {
            return 32 - new Date(year, month, 32).getDate();
        },

        /* Find the day of the week of the first of a month. */
        _getFirstDayOfMonth: function(year, month) {
            return new Date(year, month, 1).getDay();
        },

        /* Determines if we should allow a "next/prev" month display change. */
        _canAdjustMonth: function(inst, offset, curYear, curMonth) {
            var numMonths = this._getNumberOfMonths(inst);
            var date = this._daylightSavingAdjust(new Date(curYear,
			curMonth + (offset < 0 ? offset : numMonths[0] * numMonths[1]), 1));
            if (offset < 0)
                date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
            return this._isInRange(inst, date);
        },

        /* Is the given date in the accepted range? */
        _isInRange: function(inst, date) {
            var minDate = this._getMinMaxDate(inst, 'min');
            var maxDate = this._getMinMaxDate(inst, 'max');
            return ((!minDate || date.getTime() >= minDate.getTime()) &&
			(!maxDate || date.getTime() <= maxDate.getTime()));
        },

        /* Provide the configuration settings for formatting/parsing. */
        _getFormatConfig: function(inst) {
            var shortYearCutoff = this._get(inst, 'shortYearCutoff');
            shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
			new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
            return { shortYearCutoff: shortYearCutoff,
                dayNamesShort: this._get(inst, 'dayNamesShort'), dayNames: this._get(inst, 'dayNames'),
                monthNamesShort: this._get(inst, 'monthNamesShort'), monthNames: this._get(inst, 'monthNames'), PMDesignator: this._get(inst, 'PMDesignator'),
                AMDesignator: this._get(inst, 'AMDesignator')
            };
        },

        /* Format the given date for display. */
        _formatDate: function(inst, day, month, year) {
            if (!day) {
                inst.currentDay = inst.selectedDay;
                inst.currentMonth = inst.selectedMonth;
                inst.currentYear = inst.selectedYear;
            }

            var date = new Date();
            if (day) {
                if (typeof day == 'object')
                    date = day;
                else {
                    this._setCurrentTime(inst);
                    date = new Date(year, month, day, inst.currentHour, inst.currentMinute, inst.currentSecond, 0);
                }
            }
            else {
                date = new Date(inst.currentYear, inst.currentMonth, inst.currentDay, inst.currentHour, inst.currentMinute, inst.currentSecond, 0);
            }

            return this.formatDate(this._get(inst, 'dateFormat'), date, this._getFormatConfig(inst));
        }
    });

    /* jQuery extend now ignores nulls! */
    function extendRemove(target, props) {
        $.extend(target, props);
        for (var name in props)
            if (props[name] == null || props[name] == undefined)
            target[name] = props[name];
        return target;
    };

    /* Determine whether an object is an array. */
    function isArray(a) {
        return (a && (($.browser.safari && typeof a == 'object' && a.length) ||
		(a.constructor && a.constructor.toString().match(/\Array\(\)/))));
    };

    /* Invoke the datepicker functionality.
    @param  options  string - a command, optionally followed by additional parameters or
    Object - settings for attaching new datepicker functionality
    @return  jQuery object */
    $.fn.datepicker = function(options) {

        /* Initialise the date picker. */
        if (!$.datepicker.initialized) {
            $(document).mousedown($.datepicker._checkExternalClick).
			find('body').append($.datepicker.dpDiv);
            $.datepicker.initialized = true;
        }

        var otherArgs = Array.prototype.slice.call(arguments, 1);
        if (typeof options == 'string' && (options == 'isDisabled' || options == 'getDate' || options == 'getFormattedDate' || options == 'widget'))
            return $.datepicker['_' + options + 'Datepicker'].
			apply($.datepicker, [this[0]].concat(otherArgs));
        if (options == 'option' && arguments.length == 2 && typeof arguments[1] == 'string')
            return $.datepicker['_' + options + 'Datepicker'].
			apply($.datepicker, [this[0]].concat(otherArgs));
        return this.each(function() {
            typeof options == 'string' ?
			$.datepicker['_' + options + 'Datepicker'].
				apply($.datepicker, [this].concat(otherArgs)) :
			$.datepicker._attachDatepicker(this, options);
        });
    };

    $.datepicker = new Datepicker(); // singleton instance
    $.datepicker.initialized = false;
    $.datepicker.uuid = new Date().getTime();
    $.datepicker.version = "1.8.7";

    // Workaround for #4055
    // Add another global to avoid noConflict issues with inline event handlers
    window['DP_jQuery_' + dpuuid] = $;

})(jQuery);
